EP4254617A4 - End cap assembly, battery cell, battery, and electric device - Google Patents
End cap assembly, battery cell, battery, and electric device Download PDFInfo
- Publication number
- EP4254617A4 EP4254617A4 EP21959190.6A EP21959190A EP4254617A4 EP 4254617 A4 EP4254617 A4 EP 4254617A4 EP 21959190 A EP21959190 A EP 21959190A EP 4254617 A4 EP4254617 A4 EP 4254617A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- battery
- end cap
- electric device
- cap assembly
- battery cell
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/147—Lids or covers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/147—Lids or covers
- H01M50/155—Lids or covers characterised by the material
- H01M50/164—Lids or covers characterised by the material having a layered structure
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/30—Arrangements for facilitating escape of gases
- H01M50/342—Non-re-sealable arrangements
- H01M50/3425—Non-re-sealable arrangements in the form of rupturable membranes or weakened parts, e.g. pierced with the aid of a sharp member
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/30—Arrangements for facilitating escape of gases
- H01M50/35—Gas exhaust passages comprising elongated, tortuous or labyrinth-shaped exhaust passages
- H01M50/367—Internal gas exhaust passages forming part of the battery cover or case; Double cover vent systems
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/471—Spacing elements inside cells other than separators, membranes or diaphragms; Manufacturing processes thereof
- H01M50/474—Spacing elements inside cells other than separators, membranes or diaphragms; Manufacturing processes thereof characterised by their position inside the cells
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2200/00—Safety devices for primary or secondary batteries
- H01M2200/20—Pressure-sensitive devices
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2220/00—Batteries for particular applications
- H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/102—Primary casings; Jackets or wrappings characterised by their shape or physical structure
- H01M50/103—Primary casings; Jackets or wrappings characterised by their shape or physical structure prismatic or rectangular
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/147—Lids or covers
- H01M50/148—Lids or covers characterised by their shape
- H01M50/15—Lids or covers characterised by their shape for prismatic or rectangular cells
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Gas Exhaust Devices For Batteries (AREA)
- Sealing Battery Cases Or Jackets (AREA)
- Battery Mounting, Suspending (AREA)
- Connection Of Batteries Or Terminals (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122366644.0U CN215988966U (en) | 2021-09-28 | 2021-09-28 | End cover assembly, battery monomer, battery and power consumption device |
| PCT/CN2021/143554 WO2023050631A1 (en) | 2021-09-28 | 2021-12-31 | End cap assembly, battery cell, battery, and electric device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP4254617A1 EP4254617A1 (en) | 2023-10-04 |
| EP4254617A4 true EP4254617A4 (en) | 2024-09-25 |
Family
ID=80571511
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP21959190.6A Pending EP4254617A4 (en) | 2021-09-28 | 2021-12-31 | End cap assembly, battery cell, battery, and electric device |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US20230261312A1 (en) |
| EP (1) | EP4254617A4 (en) |
| CN (2) | CN215988966U (en) |
| WO (1) | WO2023050631A1 (en) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4398386A4 (en) * | 2022-03-25 | 2025-07-30 | Contemporary Amperex Technology Hong Kong Ltd | BATTERY CELL, BATTERY, ELECTRICAL DEVICE AND METHOD AND DEVICE FOR PRODUCING A BATTERY |
| EP4300693A4 (en) * | 2022-05-16 | 2025-01-01 | Contemporary Amperex Technology (Hong Kong) Limited | END CAP, BATTERY CELL, BATTERY AND ELECTRICAL DEVICE |
| WO2024000150A1 (en) * | 2022-06-28 | 2024-01-04 | 宁德时代新能源科技股份有限公司 | End cap assembly, battery cell, and electric device |
| WO2024026825A1 (en) * | 2022-08-05 | 2024-02-08 | 宁德时代新能源科技股份有限公司 | Battery cell, battery and electrical apparatus |
| CN115832604B (en) * | 2022-08-12 | 2026-03-03 | 江苏时代新能源科技有限公司 | Battery monomer, battery and electric equipment |
| WO2024040530A1 (en) * | 2022-08-25 | 2024-02-29 | 宁德时代新能源科技股份有限公司 | Battery cell, battery and electric device |
| CN115995642B (en) * | 2023-02-09 | 2023-06-13 | 深圳海润新能源科技有限公司 | End cover assembly, energy storage device and electric equipment |
| CN116345057B (en) * | 2023-05-26 | 2023-09-22 | 宁德时代新能源科技股份有限公司 | Battery cells, batteries and electrical devices |
| DE212024000375U1 (en) * | 2023-06-28 | 2026-04-09 | Svolt Energy Technology Co., Ltd. | Battery and battery pack |
| KR20250090904A (en) * | 2023-12-13 | 2025-06-20 | 에스케이온 주식회사 | Secondary battery with side insulator |
| WO2025236187A1 (en) * | 2024-05-14 | 2025-11-20 | 宁德时代新能源科技股份有限公司 | Battery cell, battery, and electrical device |
| WO2026025298A1 (en) * | 2024-07-30 | 2026-02-05 | 宁德时代新能源科技股份有限公司 | Battery cell, battery apparatus, and electric device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015106490A (en) * | 2013-11-29 | 2015-06-08 | 三菱自動車工業株式会社 | Secondary battery with safety valve |
| EP3021379A1 (en) * | 2014-11-11 | 2016-05-18 | Dongguan Amperex Technology Limited | Lithium ion battery and lithium ion battery pack |
| US20190237728A1 (en) * | 2016-06-29 | 2019-08-01 | Sanyo Electric Co., Ltd. | Secondary battery |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2505987Y (en) * | 2001-06-05 | 2002-08-14 | 南亚塑胶工业股份有限公司 | Improved safety protection structure against explosion of cylinder type lihtium ion battery |
| CN108598326B (en) * | 2018-06-11 | 2023-11-28 | 超威电源集团有限公司 | Lithium ion battery and battery pack |
| CN213601965U (en) * | 2020-07-10 | 2021-07-02 | 宁德时代新能源科技股份有限公司 | Batteries, electrical devices and devices for producing batteries |
| CN111933833B (en) * | 2020-09-21 | 2021-01-01 | 江苏时代新能源科技有限公司 | End cover assembly, battery monomer, battery and power consumption device |
-
2021
- 2021-09-28 CN CN202122366644.0U patent/CN215988966U/en active Active
- 2021-12-31 WO PCT/CN2021/143554 patent/WO2023050631A1/en not_active Ceased
- 2021-12-31 CN CN202180080758.9A patent/CN116569393A/en active Pending
- 2021-12-31 EP EP21959190.6A patent/EP4254617A4/en active Pending
-
2023
- 2023-04-24 US US18/138,441 patent/US20230261312A1/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015106490A (en) * | 2013-11-29 | 2015-06-08 | 三菱自動車工業株式会社 | Secondary battery with safety valve |
| EP3021379A1 (en) * | 2014-11-11 | 2016-05-18 | Dongguan Amperex Technology Limited | Lithium ion battery and lithium ion battery pack |
| US20190237728A1 (en) * | 2016-06-29 | 2019-08-01 | Sanyo Electric Co., Ltd. | Secondary battery |
Non-Patent Citations (1)
| Title |
|---|
| See also references of WO2023050631A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| EP4254617A1 (en) | 2023-10-04 |
| CN116569393A (en) | 2023-08-08 |
| CN215988966U (en) | 2022-03-08 |
| US20230261312A1 (en) | 2023-08-17 |
| WO2023050631A1 (en) | 2023-04-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE |
|
| PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE |
|
| 17P | Request for examination filed |
Effective date: 20230630 |
|
| AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR |
|
| A4 | Supplementary search report drawn up and despatched |
Effective date: 20240827 |
|
| RIC1 | Information provided on ipc code assigned before grant |
Ipc: H01M 50/342 20210101ALI20240821BHEP Ipc: H01M 50/164 20210101ALI20240821BHEP Ipc: H01M 50/367 20210101ALI20240821BHEP Ipc: H01M 50/147 20210101AFI20240821BHEP |
|
| RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: CONTEMPORARY AMPEREX TECHNOLOGY(HONG KONG) LIMITED |
|
| DAV | Request for validation of the european patent (deleted) | ||
| DAX | Request for extension of the european patent (deleted) |